package com.gateway.api.util;

import com.gateway.service.runner.GatewayFilterRunner;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @Description:
 * @author: shaoyu1
 * @date: 2019/11/4 17:50
 */
@Component
public class BeanUtil implements ApplicationContextAware
{
    private static ApplicationContext applicationContext;

    @Autowired
    GatewayFilterRunner filterRunner;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException{
        BeanUtil.setStaticApplicationContext(applicationContext);
        filterRunner.init();
    }

    public static void setStaticApplicationContext(ApplicationContext applicationContext) throws BeansException {
        BeanUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext(){
        return applicationContext;
    }

    public static Object getBean(String name) throws BeansException{
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(Class<T> requiredType) throws BeansException{
        return applicationContext.getBean(requiredType);
    }

    public static <T> Object getBean(String name, Class<T> requiredType) throws BeansException{
        return applicationContext.getBean(name, requiredType);
    }

    public static boolean containsBean(String name){
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name){
        return applicationContext.isSingleton(name);
    }
}

